1 .\" Copyright (c) 2000 Alexey Zelkin. All rights reserved.
2 .\" Copyright (c) 1988, 1991, 1993
3 .\" The Regents of the University of California. All rights reserved.
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29 .\" @(#)bcd.6 8.1 (Berkeley) 5/31/93
30 .\" $FreeBSD: src/games/morse/morse.6,v 1.4.2.7 2003/01/26 02:57:27 keramida Exp $
31 .\" $DragonFly: src/games/morse/morse.6,v 1.10 2008/05/30 22:58:08 swildner Exp $
38 .Nd reformat input as morse code
54 read the given input and reformat it in the form of morse code.
55 Acceptable input are command line arguments or the standard input.
62 option produces dots and dashes rather than words.
64 Write 16bit signed, 44.1kHz native endian sound data
65 to the file specified by
67 or, if not specified, to standard out.
69 Send morse the real way. This only works if your system has
73 Select a different dsp device from the default
76 Set the sending speed in words per minute. If not specified the default
77 speed of 20 WPM is used.
79 Enable Farnsworth keying.
82 will set the character keying speed and the argument to
84 will set the spacing between character and words.
86 Set the sidetone frequency to something other than the default 600 Hz.
90 but use the RTS line of
92 (which must by a tty device)
93 in order to emit the morse code.
95 echo each character before it is sent, used together with either
106 flags only work in conjunction with either the
112 Not all prosigns have corresponding characters. Use
113 angle brackets to create a ligature, like
115 The more common prosigns are
129 it is possible to key an external device, like a sidetone generator with
130 a headset for training purposes, or even your ham radio transceiver. For
131 the latter, simply connect an NPN transistor to the serial port
133 emitter connected to ground, base connected through a resistor
134 (few kiloohms) to RTS, collector to the key line of your transceiver
135 (assuming the transceiver has a positive key supply voltage and is keyed
136 by grounding the key input line). A capacitor (some nanofarads) between
137 base and ground is advisable to keep stray RF away,
139 minor glitch that is generated during program startup.
145 characters with the high-order bit set are interpreted as
146 Cyrillic characters. If your
161 .An Lyndon Nerenberg (VE7TCP/VE6BBM) Aq lyndon@orthanc.com
162 and later converted to use
165 .An Simon 'corecode' Schubert Aq corecode@fs.ei.tum.de .
167 Ability to key an external device added by
171 Only understands a few European characters
174 and no continental landline code.
176 Sends a bit slower than it should due to system overhead. Some people
177 would call this a feature.